/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_WinModifierKeyState_h_
#define mozilla_widget_WinModifierKeyState_h_
#include "mozilla/RefPtr.h"
#include "mozilla/EventForwards.h"
#include "nsStringFwd.h"
#include <windows.h>
namespace mozilla {
namespace widget {
class MOZ_STACK_CLASS ModifierKeyState final {
public:
ModifierKeyState();
explicit ModifierKeyState(Modifiers aModifiers);
void Update();
void Unset(Modifiers aRemovingModifiers);
void Set(Modifiers aAddingModifiers);
void InitInputEvent(WidgetInputEvent& aInputEvent)
const;
// Do not create IsAltGr() because it's unclear whether:
// - AltGr key is actually pressed.
// - Both Ctrl and Alt keys are pressed when a keyboard layout which
// has AltGr key.
// - Both Ctrl and Alt keys are pressed when a keyboard layout which
// does not have AltGr key.
bool IsShift()
const;
bool IsControl()
const;
bool IsAlt()
const;
bool IsWin()
const;
bool MaybeMatchShortcutKey()
const;
bool IsCapsLocked()
const;
bool IsNumLocked()
const;
bool IsScrollLocked()
const;
MOZ_ALWAYS_INLINE Modifiers GetModifiers()
const {
return mModifiers; }
private:
Modifiers mModifiers;
void InitMouseEvent(WidgetInputEvent& aMouseEvent)
const;
};
const nsCString ToString(
const ModifierKeyState& aModifierKeyState);
}
// namespace widget
}
// namespace mozilla
#endif // #ifndef mozilla_widget_WinModifierKeyState_h_
